The rematch of this year’s epic R1 #USOpen battle between @rogerfederer and @bigfoe1998 is about to start in Basel! Tell us if you’re Team 🇨🇭 or Team 🇺🇸 in this opening round showdown! #usopen #rogerfederer #francestiafoe #federer #atp #swissindoors #tennis #protennis #instatennis #instasports